When Light of a Certain Wavelength Is Incident Normally on a Certain

question 44

Multiple Choice

When light of a certain wavelength is incident normally on a certain diffraction grating the line of order 1 is at a diffraction angle of 25°.The diffraction angle for the second order line is:

• A)25°
• B)42°
• C)50°
• D)58°
• E)75°

---

Definitions:

Nutrition

The science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.

Medical Care

The provision of services by healthcare professionals to diagnose, treat, and prevent illness, injury, and other physical and mental impairments in individuals.

Pollution

The presence or introduction of harmful or poisonous substances into the environment, causing adverse effects on living organisms and ecosystems.

Adolescent Growth Spurt

A rapid period of growth in height and weight that occurs during puberty.